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Records 41 to 60 of 136

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Ramachandran P. V.;Rudd, M. T.;Reddy, M. V. R. Stereoselective synthesis of hex-2-(E)-en-4-yn-1,6-dioates and E,Z-muconic acid diesters via organo-catalyzed self-coupling of propiolates Tetrahedron Letters 2005 46 - 2547-2549
Ramachandran P. V.;Burghardt, T. E.;Reddy, M. V. R. Preparation of N-protected allylic amines and alpha-methylene-beta-amino acids from vinylalumination/Baylis-Hillman products via tandem S(N)2 ' substitution-Overman rearrangement Tetrahedron Letters 2005 46 - 2121-2124
Ramachandran P. V.;Burghardt, T. E.;Reddy, M. V. R. Asymmetric allylboration of alpha,beta-enals as a surrogate for the enantioselective synthesis of allylic amines and alpha-amino acids Journal of Organic Chemistry 2005 70 - 2329-2331
Ramachandran P. V. Synthesis of fluorinated allylborane reagents and preparation of fluorolactones via allylboration Abstracts of Papers of the American Chem 2004 227 - U1064-U1064
Ramachandran P. V.;Padiya, K. J.;Rauniyar, V.;Reddy, M. V. R.;Brown, H. C. Asymmetric synthesis of 6-(2 ',3 ',4 ',5 ',6 '-pentafluorophenyl)- delta-lactones via "allyl"boranes: application for the synthesis of fluorinated analog of key pharmacophore of statin drugs J. Fluor. Chem. 2004 125 - 615-620
Ramachandran P. V.;Padiya, K. J.;Rauniyar, V.;Reddy, M. V. R.;Brown, H. C. Asymmetric synthesis of gamma-perfluoroalkyl(aryl) butyrolactones via organoboranes Tetrahedron Lett. 2004 45 - 1015-1017
Ramachandran P. V.;Padiya, K. J.;Reddy, M. V. R.;Brown, H. C. An efficient enantioselective total synthesis of a trifluoromethyl analog of blastmycinolactol J. Fluor. Chem. 2004 125 - 579-583
Ramachandran P. V.;Prabhudas, B.;Chandra, J. S.;Reddy, M. V. R.;Brown, H. C. Preparative-scale synthesis of both antipodes of B-gamma, gamma- dimethylallyl diisopino campheylborane: application for the synthesis of C-1-C-6 subunit of epothilone Tetrahedron Lett. 2004 45 - 1011-1013
Ramachandran P. V.;Pratihar, D.;Biswas, D.;Srivastava, A.;Reddy, M. V. R. Novel functionalized trisubstituted allylboronates via Hosomi-Miyaura borylation of functionalized allyl acetates Org. Lett. 2004 6 - 481-484
Ramachandran P. V.;Prabhudas, B.;Chandra, J. S.;Reddy, M. V. R. Diastereoselective dihydroxylation and regioselective deoxygenation of dihydropyranones: A novel protocol for the stereoselective synthesis of C-1-C-8 and C-15-C-21 Subunits of (+)-discodermolide Journal of Organic Chemistry 2004 69 - 6294-6304
Ramachandran P. V.;Gong, B. Q.;Brown, H. C.;Francisco, J. S. Relationship between the structure and enantioselectivity in the asymmetric reduction of 2 ',6 '-disubstituted acetophenones with DIP-Chloride (TM). An ab initio study Tetrahedron Lett. 2004 45 - 2603-2605
Ramachandran P. V.;Prabhudas, B.;Pratihar, D.;Chandra, J. S.;Reddy, M. V. R. Stereoselective synthesis of the C-7-C-21 segment of epothilone A via asymmetric alkoxyallyl- and crotylboration Tetrahedron Lett. 2003 44 - 3745-3748
Ramachandran P. V.;Reddy, M. V. R.;Brown, H. C. Tandem allylboration-ring-closing metathesis reactions for the preparation of biologically active molecules Pure Appl. Chem. 2003 75 - 1263-1275
Ramachandran P. V.;Liu, H. P.;Reddy, M. V. R.;Brown, H. C. Synthesis of homoallylic chiral tertiary alcohols via chelation-controlled diastereoselective nucleophilic addition on alpha-alkoxyketones: Application for the synthesis of the C-1-C-11 subunit of 8-epi-fostriecin Org. Lett. 2003 5 - 3755-3757
Ramachandran P. V.;Rudd, M. T.;Burghardt, T. E.;Reddy, M. V. R. Vinylalumination for the synthesis of functionalized allyl alcohols, vinylepoxides, and alpha-alkylidene-beta-hydroxy-gamma-lactones J. Org. Chem. 2003 68 - 9310-9316
Ramachandran P. V.;Zou, M. F.;Brown, H. C. Efficient synthesis of B-iododialkyl- and B-alkyldiiodoboranes as their acetonitrile complexes: Application for the enolboration-aldolization of ethyl ketones Helv. Chim. Acta 2002 85 - 3027-3032
Ramachandran P. V.;Pitre, S.;Brown, H. C. Selective reductions. 59. Effective intramolecular asymmetric reductions of alpha-, beta- and gamma-keto acids with diisopinocampheylborane and intermolecular asymmetric reductions of the corresponding esters with B-chlorodiisopinocampheylborane J. Org. Chem. 2002 67 - 5315-5319
Ramachandran P. V.;Chandra, J. S.;Reddy, M. V. R. Stereoselective syntheses of (+)-goniodiol, (-)-8-epigoniodiol, and (+)-9-deoxygoniopypyrone via alkoxyallylboration and ring-closing metathesis J. Org. Chem. 2002 67 - 7547-7550
Salunkhe A. M.;Ramachandran, P. V.;Brown, H. C. Selective reductions. Part 60: Chemoselective reduction of organyl azides with dichloroborane-dimethyl sulfide Tetrahedron 2002 58 - 10059-10064
Reddy M. V. R.;Rudd, M. T.;Ramachandran, P. V. Study of fluorocarbonyls for the Baylis-Hillman reaction J. Org. Chem. 2002 67 - 5382-5385